REVIEW: MMDVM NANO HOTSPOT ,Nano hotspot (bluebox) in Europe
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Playing with Pi-Star
Byxe1eIntroduction Pi-Star is great software for digital voice hotspots and repeaters. It can handle DMR, D-STAR, and YSF, as well as P25, NXDN, POCSAG, and some cross modes when used with a multi-mode digital voice modem that supports those modes. Andy Taylor, MW0MWZ, the main developer, says this on his Pi-Star website△:“Pi-Star can be whatever you…
How to Set Up Amateur Radio Digital Voice Hotspot With Pi-Star and mmdvm
Byxe1eWant to learn how to set up an amateur radio digital voice hotspot? Check out this post to learn how using mmdvm and Pi-Star setup —DSTAR, DMR, and other modes. After setting up an SD Card with the Pi-Star image, booting it up, and then hitting http://pi-star.local in a browser on my laptop, I used the default…
Digital Mobile Radio DMR MMDVM Hotspot Jumbo Spot
Byxe1eIn Ailunce and DMR by K0PIRFebruary 7, 2019 Talk and listen to Hams around the world at home using a small handheld radio! I just got started in DMR and have found it pretty easy and inexpensive. With an Internet connection and the Ailunce HD1 combined with the MMDVM hotspot (Jumbo Spot) it is possible to talk to Hams around the…
MMDVM DUPLEX in Pi Zero Form Factor (Duplex )
Byxe1eWhat is it? This is a Duplex Multiple Mode Digital Voice Modem in a Raspberry Pi Zero HAT form factor. While there are other versions of this type of Duplex board on the market this is the ONLY one which keeps the Pi Zero form factor that has become so popular. This will enable you to keep the portability of the…
Building a Digital Mobile Radio Repeater Part 1: MMDVM
Byxe1eInstalling MMDVM on an STM32F4 NUCLEO board and assembling an interface shield. In this series of posts we take a look at building a Digital Mobile Radio (DMR) repeater for amateur radio use on the 70cm band (UHF). This will be constructed using two surplus mobile analogue (FM) transceivers for uplink and downlink, paired with…
Discovering DMR – 1
Byxe1eWhy? [ I wrote these two introductory paragraphs in 2016, shortly after learning how to use D-STAR. I’ve been updating the rest of the article regularly as I learn more.] After weeks of intense learning and effort, I felt like I was just beginning to get a handle on D-STAR, having put together a nicely working…